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What must be true for allopatric speciation to occur regardless of the mechanism of separation?
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Natural selection is the only mechanism of evolution that will lead to?
Adaptive change and speciation.
What is the mechanism of separation in thin layer chromatography?
i think mechanism is that,,thin layer chromatography is basically separation of mixture,and sample might adsorb on silics surface.here is adsorption mechanism
What is an isotopic mixture?
explain the mechanism of diffusion in the separation of isotopic mixtures
Does the body temperature depend upon the weather conditions?
No body temperature is kept constant regardless of the weather by Homeostasis, which is a inbuilt mechanism in the bodies of mammals and some other animals.
Why do geographical isolation is not regarded as a reproductive isolating mechanism?
Geographical isolation is not a cause of speciation in an asexually reproducing organism because the population is self-pollinating and would be less prone to the factors which results from geographical isolation.
What are three events that can lead to speciation?
Species (phylogenetically and genetically distinct animals from a common ancestor) form when barriers exist to prevent outbreeding. These are usually environmental (e.g. mountain ranges, oceans, climatic barriers) or biological (e.g. interbreeding of two species results in an infertile offspring).
What types of evolution are there?
Basically, there's only one type: the shifting in allele frequencies in populations over the generations, driven by reproductive variation, differential reproductive success, and various molecular mechanisms in genetics. There are however numerous distinct phenomena associated with this mechanism, and different patterns to the way it affects populations, depending on circumstances. If one looks at the different 'modes' of speciation, for instance, even though they all follow from the same basic mechanisms, there are allopatric speciation, peripatric speciation, parapatric speciation, and sympatric speciation, each achieving the same thing through the same mechanisms but via slightly different paths.
Natural selection is the only mechanism of evolution that will lead to?
Adaptive change and speciation.
What is the mechanism of separation in thin layer chromatography?
i think mechanism is that,,thin layer chromatography is basically separation of mixture,and sample might adsorb on silics surface.here is adsorption mechanism
What are conditions of speciation?
Speciation can occur due to allopatric isolation (geographic barrier), sympatric isolation (different ecological niches), or parapatric isolation (partial geographic barrier). It can also result from reproductive isolation, where individuals can no longer interbreed due to genetic, behavioral, or ecological barriers. Changes in chromosome number, mutations, and natural selection can also contribute to speciation.
What is an isotopic mixture?
explain the mechanism of diffusion in the separation of isotopic mixtures
What mechanism might have affected the gene pools of the organism populations that remained in the areas damage by the Exxon Valdez ail spill?
speciation
What influence did speciation have on Darwin's development of Natural Selection?
The influence of providing an explanatory mechanism for what was obvious to Darwin; species arose and species went extinct.
Which mechanism might have affected the gene pools of the organism populations that remained in the areas damaged by the Exxon Valdez oil spill?
Genetic Drift
Why is the separation of mechanism and policy desirable?
The separation of mechanism and policy is important to provide flexibility to a system. If the interface between mechanism and policy is well defined, the change of policy may affect only a few parameters. On the other hand, if interface between these two is vague or not well defined, it might involve much deeper change to the system.
Why is separation of mechanism and policy desirable?
The separation of mechanism and policy is important to provide flexibility to a system. If the interface between mechanism and policy is well defined, the change of policy may affect only a few parameters. On the other hand, if interface between these two is vague or not well defined, it might involve much deeper change to the system.
What is a macro evolution?
Micro-evolution is not only a part of macro-evolution, it is the same mechanism as macro-evolution. Macro-evolution includes speciation, as a result of continuing micro-evolution.
